<template>
  <div id="root">
    <div class="todo-container">
      <div class="todo-wrap">
        <MyHeader @receive="receive"></MyHeader>
        <MyList :todos="todos"></MyList>
        <MyFooter :todos="todos" @CheckAll="CheckAll" @CleanDone="ClaenDone"></MyFooter>
      </div>
    </div>
  </div>

</template>
<script>
  import MyHeader from './compoents/MyHeader.vue'
  import MyFooter from './compoents/MyFooter.vue'
  import MyList from './compoents/MyList.vue'
  export default {
    name: 'App',
    components: {
      MyHeader, MyFooter, MyList
    },
    data() {
      return {
        todos: JSON.parse(localStorage.getItem('todos')) || []
      }
    },
    methods: {
      receive(x) {
        this.todos.unshift(x);
      },
      checkdone(id) {
        this.todos.forEach((todo) => {
          if (todo.id === id) {
            console.log('666');
            todo.done = !todo.done
          }
        });
      }, deleteid(id) {
        this.todos = this.todos.filter((todo) => {
          return todo.id !== id
        })
      }, CheckAll(check) {
        return this.todos.forEach(todo => {
          todo.done = check
        });
      }, ClaenDone() {
        this.todos = this.todos.filter(todo => {
          return todo.done != true
        });
      }

    },
    watch: {
      todos: {
        deep: true,
        handler(newvalue) {
          localStorage.setItem('todos', JSON.stringify(newvalue))
        }
      }
    },
    mounted() {
      this.$bus.$on('deleteid', this.deleteid)
      this.$bus.$on('checkdone', this.checkdone)
    },
  }
</script>
<style>
  /*base*/
  body {
    background: #fff;
  }

  .btn {
    display: inline-block;
    padding: 4px 12px;
    margin-bottom: 0;
    font-size: 14px;
    line-height: 20px;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
    border-radius: 4px;
  }

  .btn-danger {
    color: #fff;
    background-color: #da4f49;
    border: 1px solid #bd362f;
  }

  .btn-danger:hover {
    color: #fff;
    background-color: #bd362f;
  }

  .btn:focus {
    outline: none;
  }

  .todo-container {
    width: 600px;
    margin: 0 auto;
  }

  .todo-container .todo-wrap {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
  }
</style>